Product Details | VENT VALVE

4820-01-557-4926 A valve designed to relieve internal pressure from gear housings, automotive axles, differentials, transmissions and the like. May or may not be threaded on one end. For items with relief pressure ratings see VALVE (1), SAFETY RELIEF.

Part Alternates: SSBVST8, SS-BVST8, 7380106-19, 4820-01-557-4926, 01-557-4926, 4820015574926, 738010619, 015574926

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 24 OCT 2007 01-557-4926

Drawings & Photos | NSN 4820-01-557-4926


Demand History | NSN 4820-01-557-4926

Part Number Request Date QTY Origin
4820-01-557-4926 2016-03-63 13 DIBBS
SSBVST8 2012-10-284 1 United States
4820-01-557-4926 2012-05-143 1 US

Cross Reference | NSN 4820-01-557-4926

Part Number Cage Code Manufacturer
7380106-19 90536 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
SS-BVST8 02570 SWAGELOK COMPANY DBA USE CAGE CODE 3T9T9 FOR

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Technical Data | NSN 4820-01-557-4926

Characteristic Specifications
MATERIAL STEEL COMP 316 BODY
STYLE DESIGNATOR A7 ANGLE
MAXIMUM OPERATING PRESSURE 9100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CONNECTION TYPE THREADED EXTERNAL PIPE 1ST END
CONNECTION STYLE G46B PLAIN 1ST END
SPECIAL FEATURES END CONNECTIONS: 1ST END SAE O-RING 1/2 IN 3/4-16; 2ND END BEVELED, OUT TO ATMOSPHERE; NHA 73580106 MOUNTING KIT, HEAT EXCHANGER
III END ITEM IDENTIFICATION TOP ASSY 7380010; SSN774 PSA
III PART NAME ASSIGNED BY CONTROLLING AGENCY VALVE, BLEED

Restrictions/Controls & Freight Information | NSN 4820-01-557-4926

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-01-557-4926

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each